Water treatment device



FIG. 1 is a perspective view of the water treatment device;

FIG. 2 is a front elevational view of the water treatment device;

FIG. 3 is a rear elevational view of the water treatment device;

FIG. 4 is a side elevational view of the water treatment device, the opposite side of which is an identical mirror image;

FIG. 5 is a top plan view of the water treatment device; and,

FIG. 6 is a bottom plan view of the water treatment device.

The broken lines shown on the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a water treatment device, as shown and described. 